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Table 2 Means and standard deviations for continuous independent variablesby frequent and severe pain

From: Patient involvement in medical decision-making and pain among elders: physician or patient-driven?

  Frequent pain Severe pain
  Yes No Yes No
Sociodemographics     
Mean age (SD) 75.4(6.3) 75.3(6.3) 75.7(6.7) 75.3(6.3)
Health care     
Mean no. physician visits (SD) 6.3(8.5)1 3.9(6.1) 8.0(9.5)1 5.8(8.1)
Mean physician-driven participation index (SD) 1.8(1.2)3 1.9(1.2) 1.9(1.2)3 1.7(1.2)
Mean patient-driven participation index (SD) 2.4(1.0)1 2.7(1.0) 2.4(1.0) 2.4(1.1)
Health status     
Mean SF-12 mental component score (SD) 52.5(9.9)1 54.8(7.4) 48.7(12.1)1 53.6(9.0)
  1. 1 p < 0.0001, 2 p < 0.01, 3 p < 0.05
  2. note: Analyses of severe pain were limited to those with frequent pain.
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